<xmp><?
var_dump(NULL);
var_dump(null);
var_dump($null);
exit;

require 'QueryPath/QueryPath.php';
$qp = qp("<div><div>abc<script>ddd</script></div><img /><script>asf</script>")->remove('script')->top();
echo $qp->find("body")->innerXML();
unset($qp);

$var1 = 'v1';
$arr = array();
$arr['ref'] = &$var1;
@extract($arr, EXTR_REFS);
$var1 = 'new v1';
$ref = 'oh v1';
print_r($GLOBALS);

class a {
	function b() {
		$this->c = "aaa";
	}
}
$a = new a;
$a->b();
var_dump($a->c);
?>